AU2003260451A1 - Method and apparatus for controlling the rate of path searching in a spread spectrum communications system - Google Patents

Method and apparatus for controlling the rate of path searching in a spread spectrum communications system

Info

Publication number
AU2003260451A1
AU2003260451A1 AU2003260451A AU2003260451A AU2003260451A1 AU 2003260451 A1 AU2003260451 A1 AU 2003260451A1 AU 2003260451 A AU2003260451 A AU 2003260451A AU 2003260451 A AU2003260451 A AU 2003260451A AU 2003260451 A1 AU2003260451 A1 AU 2003260451A1
Authority
AU
Australia
Prior art keywords
controlling
rate
communications system
spread spectrum
path searching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003260451A
Other versions
AU2003260451A8 (en
Inventor
Erik Dahlback
Robert Svensson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2003260451A8 publication Critical patent/AU2003260451A8/en
Publication of AU2003260451A1 publication Critical patent/AU2003260451A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7113—Determination of path profile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/70709—Efficiency-related aspects with discontinuous detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2003260451A 2002-08-30 2003-08-22 Method and apparatus for controlling the rate of path searching in a spread spectrum communications system Abandoned AU2003260451A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/232,282 US20040042411A1 (en) 2002-08-30 2002-08-30 Method and apparatus for controlling the rate of path searching in a communications system
US10/232,282 2002-08-30
PCT/EP2003/009339 WO2004021716A2 (en) 2002-08-30 2003-08-22 Method and apparatus for controlling the rate of path searching in a spread spectrum communications system

Publications (2)

Publication Number Publication Date
AU2003260451A8 AU2003260451A8 (en) 2004-03-19
AU2003260451A1 true AU2003260451A1 (en) 2004-03-19

Family

ID=31976972

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003260451A Abandoned AU2003260451A1 (en) 2002-08-30 2003-08-22 Method and apparatus for controlling the rate of path searching in a spread spectrum communications system

Country Status (3)

Country Link
US (1) US20040042411A1 (en)
AU (1) AU2003260451A1 (en)
WO (1) WO2004021716A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100527654C (en) * 2003-05-28 2009-08-12 华为技术有限公司 Method for determining first path precisively in CDMA mobile communiation system
KR20080039537A (en) * 2005-09-01 2008-05-07 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) Method and apparatus for selecting delay values for a rake receiver
EP1760901B1 (en) * 2005-09-01 2009-07-22 Telefonaktiebolaget L M Ericsson (publ) Method and apparatus for selecting delay values for a RAKE receiver
US8385210B1 (en) * 2008-12-18 2013-02-26 Cisco Technology, Inc. System and method for detection and delay control in a network environment
US8688132B2 (en) * 2009-09-07 2014-04-01 Telefonaktiebolaget L M Ericsson (Publ) Sensing wireless transmissions from a licensed user of a licensed spectral resource
US11588742B2 (en) * 2020-12-02 2023-02-21 Tencent America LLC Multipath traffic switch damping

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109390A (en) * 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
JP3891373B2 (en) * 1998-03-26 2007-03-14 ソニー株式会社 Demodulator and demodulation method
US6370397B1 (en) * 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
WO2000065738A1 (en) * 1999-04-27 2000-11-02 Yozan Inc. Ds-cdma receiver
JP3683128B2 (en) * 1999-07-06 2005-08-17 日本電気株式会社 Wireless communication device and power consumption control method for wireless communication device
US6873648B1 (en) * 2000-03-02 2005-03-29 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for fast detection of locations of path rays in a receiver having multiple time references
US7058399B2 (en) * 2001-07-11 2006-06-06 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
CN1533645A (en) * 2001-09-04 2004-09-29 ������������ʽ���� Radio mobile device
US6748013B2 (en) * 2002-02-12 2004-06-08 Interdigital Technology Corporation Receiver for wireless telecommunication stations and method
US6748009B2 (en) * 2002-02-12 2004-06-08 Interdigital Technology Corporation Receiver for wireless telecommunication stations and method

Also Published As

Publication number Publication date
WO2004021716A3 (en) 2007-12-21
WO2004021716A2 (en) 2004-03-11
AU2003260451A8 (en) 2004-03-19
US20040042411A1 (en) 2004-03-04

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase